[JAVAWEB learning notes] online shopping mall practice 5: functional modules in the background, javaweb learning notes

[JAVAWEB learning notes] online shopping mall practice 5: functional modules in the background, javaweb learning notes
Today's task

• Complete the functional modules of the background

1.1 Implementation of the online mall's background functions: 1.1.1 requirements for background functions:

 

 

1.1.1.1 classification management:

[Query all categories]

* On the left-side menu page, click category management:

* Submit to Servlet:

* Query all categories:

* Displayed on the page:

 

[Add category]

* Click Add on the category list page.

* Submit to Servlet to jump to the add page.

* Enter the information and click OK.

* Submit the file to the Servlet to save the category.

 

[Modify category]

* Click the edit link on the category list page:

* Submit to Servlet for query.

* The modification page is displayed.

* Modify the category information. Click OK.

* Submit the file to the Servlet to modify the category.

[Delete category]

* Click the delete link on the category list page:

* Submit to Servlet.

* Page Jump.

1.1.1.2 Commodity Management

[Query products]

* Click product management on the menu page on the left]

* Submit to Servlet for query.

* Displayed on the page.

[Add product]

* Click Add on the product list page.

* Submit to Servlet: Query all categories.

* The page jumps to the add page.

* Enter information (including images) on the add page)

* Click OK]

* Submit to Servlet: Upload the file and insert the data to the database.

* ***** File upload:

* Three elements:

* The submission method is POST:

* The form must contain <input type = "file" name = "upload">

* Enctype = "multipart/form-data"

 

* File Upload technology:

* Servlet3.0

* JSPSmartUpload

* FileUpload:

* Commons-fileupload-1.2.1.jar

* Commons-io-1.4.jar

* Struts2

 

* When Using FileUpload:

* Obtain the disk file factory object:

* Obtain core parsing classes through the factory:

* Parse the request object and return a set. The content in the set is each part of the split line.

* Traverse each part:

 

[Dismounting products]

* Click the dismounting link on the product list page.

* Submit to Servlet:

* Modify the product status:

* Page Jump:

 

[Shelving products]

* Add a shelving item in the left-side menu:

* Select a product to be shelved.

1.1.1.3 Order Management

[Order Management]

Click "Order Management" in the menu on the left:

Query orders (query orders by status)

Page jump:

: